Flight OddsDL4159 DTW → ATW
Delta Air Lines · Detroit, MI to Appleton, WI · 189 flights observed, 2025-12-20 to 2026-06-30 · 296 mi
On-time arrival
69%
Median delay
-9 min
90th percentile
+134 min
Cancellation rate
3%
How often is DL4159 on time?
Across 189 flights on DTW → ATW from 2025-12-20 to 2026-06-30, DL4159 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +134 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 125 | 69% |
| 16-30 min | 11 | 6% |
| 31-60 min | 7 | 4% |
| 61-120 min | 20 | 11% |
| 2+ hrs | 19 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 12 | 75% | +45 min |
| 2026-01 | 30 | 53% | +57 min |
| 2026-02 | 24 | 71% | +26 min |
| 2026-03 | 26 | 54% | +90 min |
| 2026-04 | 30 | 67% | +19 min |
| 2026-05 | 31 | 81% | +10 min |
| 2026-06 | 29 | 83% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 68% |
| Tue | 27 | 70% |
| Wed | 27 | 70% |
| Thu | 26 | 62% |
| Fri | 25 | 64% |
| Sat | 25 | 84% |
| Sun | 24 | 63% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…